9. A kaleidoscope is a device used as
(a) toy for children
(c) to verify laws of reflection
(b) to measure intensity of light
(d) to disperse light rays
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9. A kaleidoscope is a device used as
(a) toy for children
(c) to verify laws of reflection
(b) to measure intensity of light
(d) to disperse light rays
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a. toy for children.
Kaleidoscope is an optical toy consisting of two mirrors at a particular angle. Some common uses of the kaleidoscope are: Kaleidoscope produces beautiful patterns that are used by fashion designers. A kaleidoscope is used as a toy for entertainment.